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September Weather in El Segundo, United States

Last updated: June 24, 2025

In September, the average temperature in El Segundo, United States is a delightful 22°C (72°F). Expect a comfortable range, with a minimum of 14°C (57°F) and a maximum soaring to 37°C (100°F). Precipitation is minimal, with only 2 mm (0.1 in) recorded over 0 days, ensuring plenty of sunshine. The air will feel pleasantly warm, with an average humidity of 68%. Enjoy the perfect conditions for outdoor activities!

September Temperature in El Segundo

In September in El Segundo, the average temperature is 22°C (72°F), with maximums reaching up to 37°C (100°F) and minimums dropping as low as 14°C (57°F). This makes it an ideal time for travelers seeking to enjoy warm, pleasant weather while exploring the attractions in El Segundo.

September Weather in El Segundo: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in El Segundo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In El Segundo, September typically has an average temperature of 22°C (72°F), with highs reaching up to 37°C (100°F) and lows dropping to around 14°C (57°F).
JanFebMarAprMayJunJulAugSepOctNovDec565758626368727372686357
Data source: Temperature data for El Segundo generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in El Segundo

In El Segundo in September, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

September Precipitation Trends in El Segundo

The chart displays monthly precipitation patterns in El Segundo, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In El Segundo, September typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec6853711510121271780
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in El Segundo

In El Segundo in September humidity is 68%. With an average temperature of 22°C (72°F), this humidity feels like a warm embrace, slightly stifling but still manageable for traveling, creating an atmosphere that encourages leisurely outdoor activities while prompting occasional breaks for refreshment.

September Average Humidity in El Segundo

This chart illustrates the average monthly humidity levels in El Segundo, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in El Segundo is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%79%75%71%70%72%73%69%68%67%68%71%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in El Segundo

In El Segundo in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in El Segundo.

Maximum UV Index Levels in El Segundo for September

The chart shows the monthly maximum UV Index (UVI) for El Segundo in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in El Segundo typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46891011111010754
Data source: El Segundo September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in El Segundo Compares to Other Months

Weather in El Segundo varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in El Segundo, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in El Segundo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (57°F)68 mm (2.7 inches)74%moderate
February Weather14°C (57°F)53 mm (2.1 inches)79%high
March Weather14°C (58°F)71 mm (2.8 inches)75%very high
April Weather17°C (62°F)15 mm (0.6 inches)70%very high
May Weather17°C (63°F)10 mm (0.4 inches)70%very high
June Weather20°C (68°F)1 mm (0.1 inches)72%extreme
July Weather22°C (73°F)2 mm (0.1 inches)73%extreme
August Weather23°C (74°F)1 mm (0.0 inches)69%very high
September Weather22°C (72°F)2 mm (0.1 inches)68%very high
October Weather20°C (69°F)7 mm (0.3 inches)67%high
November Weather17°C (63°F)17 mm (0.7 inches)68%moderate
December Weather14°C (57°F)80 mm (3.1 inches)71%moderate

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